/**
* Copyright 2015 ArcBees Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.arcbees.gaestudio.client.application.visualizer.widget;
import java.util.List;
import java.util.Set;
import javax.inject.Inject;
import com.arcbees.gaestudio.client.application.entity.KeyValuePair;
import com.arcbees.gaestudio.client.application.entity.KeyValuePairBuilder;
import com.arcbees.gaestudio.client.application.visualizer.ParsedEntity;
import com.google.common.collect.Sets;
public class PropertyNamesAggregator {
private final KeyValuePairBuilder keyValuePairBuilder;
@Inject
PropertyNamesAggregator(
KeyValuePairBuilder keyValuePairBuilder) {
this.keyValuePairBuilder = keyValuePairBuilder;
}
public Set<String> aggregatePropertyNames(List<ParsedEntity> entities) {
Set<String> properties = Sets.newHashSet();
for (ParsedEntity entity : entities) {
Set<String> entityProperties = getProperties(entity);
properties.addAll(entityProperties);
}
return properties;
}
private Set<String> getProperties(ParsedEntity entity) {
List<KeyValuePair> keyValuePairs = keyValuePairBuilder.fromParsedEntity(entity);
Set<String> entityProperties = Sets.newHashSet();
for (KeyValuePair keyValuePair : keyValuePairs) {
String key = keyValuePair.getKey();
entityProperties.add(key);
}
return entityProperties;
}
}